POLYAMIDE-4 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYAMIDE-4

Safety grade: A

Polyamide-4 is a synthetic plastic-like material made in a laboratory. It's used in cosmetics to create a smooth, silky texture and to help control how thick or thin a product feels.

This ingredient makes skincare and cosmetic products feel smoother and more luxurious on the skin, while also helping to thicken the formula to the right consistency.

Graded using: COSING.

Last verified: May 26, 2026